here's a list of what I'm looking for all for my '78:
Washer bottle
Coolant overflow bottle
center dash speaker mounting bracket
radio face plate
mounting stud and bracket for the ac delco radio
two small black circle bezels for the ac vents on the instrument bezel
a black ashtray (looking for the vinyl on it to look new)
the three lower AC duct sections (shown in white on the photo below)
http://www.78ta.com/images/resto/vents.jpga driver's side hood hinge (not bent, black, no rust but doesn't have to shine)
Let me know if you think you might have anything
Paul